On Oct 27, 2009, at 10:54 AM, Lee William wrote:
Hi! All,
I am working on a correlation matrix of 4217x4217 named 'cor_expN'.
I wish
to obtain pairs with highest correlation values. So, I did this
b=matrix(data=NA,nrow=4217,ncol=1)
rownames(b)=rownames(cor_expN)
for(i in 1:4217){b[i,]=max(cor_expN[i,])}
head(b)
[,1]
aaeA_b3241_14 0.7181912
aaeB_b3240_15 0.7513084
aaeR_b3243_15 0.7681684
aaeX_b3242_12 0.5230587
aas_b2836_14 0.6615927
aat_b0885_14 0.6344144
Now I want the corresponding columns for the above values. For that
I tried
this
c=matrix(data=NA,nrow=4217,ncol=1)
for(i in 1:4217){b[i,]=colnames(max(cor_expN[i,]))}
And got the following error:
Error in b[i, ] = colnames(max(cor_expN[i, ])) : number of items to
replace
is not a multiple of replacement length
Any thoughts?
Make a smaller toy example?
--
David Winsemius, MD
Heritage Laboratories
West Hartford, CT
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